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Radiant|Lab Grown|IGI

15.51ct F VVS2 Radiant Lab Grown Diamond

EX • F/VVS2 • IGI LG847657249

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG847657249

Diamond specifications and retailer prices

From $4,518 SGD
$3,533 USD
As of November 1, 2026
Save $1,596 SGD (26%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $8,537 SGD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 15.51ct lab-grown radiant diamond

This 15.51ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG847657249 or 847657249. Listed at 3 retailers as of November 1, 2026, with a 35% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

15.51
Carat
F
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.8°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847657249
Dimensions17.85 × 12.34 × 8.13 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.85 mm12.34 mm15.51 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847657249
Side View
Table 67.0%Crown 46.8°Girdle: MediumPavilion 35.6°Culet: NoneDepth 65.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $8,537 SGD|Low: $4,518 SGD|High: $8,537 SGD|Avg: $6,798 SGD
Rare Carat
Retailer 2
Retailer 3
November 3, 2026
Retailer 3$4,518 SGD
Retailer 2$6,114 SGD
Rare Carat$8,537 SGD

14 data points across 3 retailers

3 retailers$4,518 SGD to $6,114 SGD

A
Cheapest Retailer
-
$4,518 SGD
$3,533 USD
Final sale: no returns
A
Retailer 2
-
$6,114 SGD
£3,764 GBP
View
Most Expensive
Rare Carat
847657249 · Oct 21
$8,537 SGD
$6,675 USD
View
Price last confirmed 13 days ago
2 more retailers have this diamond
Prices start from $4,518 SGDSave up to $1,596 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
15.51ct Radiant
$4,518 SGD